dolphin

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dolphin¹

  • /ˈdɒlf.ɪn/ UK
  • [ˈdɒl̥fɪn] UK
  • /ˈdɑlf.ɪn/ US
  • [ˈdɑl̥fɪn] US

Where it comes from

From Middle English delphyn, from Latin delphīnus, from Ancient Greek δελφίς (delphís), from δελφύς (delphús, “womb”); the modern form in -ol- is probably influenced by the pronunciation of Middle French dauphin. Compare Dutch dolfijn and Swedish delfin. Doublet of dauphin. Displaced native Old English mereswīn (literally “sea pig”), whence English mereswine.

noun dolphins

  1. A carnivorous cetacean, typically with a beak-like snout, famed for their intelligence and occasional willingness to approach humans.

    Similar: mereswine, sea goose, sea pig

  2. Tursiops truncatus, (Atlantic bottlenose dolphin) the most well-known species.

    Similar: mereswine, sea goose, sea pig

  3. A fish, the mahi-mahi or dorado, Coryphaena hippurus, with a dorsal fin that runs the length of the body, also known for iridescent coloration.
  4. A depiction of a fish, with a broad indented fin, usually embowed.
  5. The dauphin, eldest son of the kings of France.
  6. A mass of iron or lead hung from the yardarm, in readiness to be dropped through the deck and the hull of an enemy's vessel to sink it.
  7. A kind of wreath or strap of plaited cordage.
  8. A spar or buoy held by an anchor and furnished with a ring to which ships may fasten their cables.
  9. A mooring post on a wharf or beach.
  10. A permanent fender designed to protect a heavy boat, bridge, or coastal structure from the impact of large floating objects such as ice, floating logs, or vessels. At each end of the piers in the water, in cases where several rows of pile are driven, a sort of cutwater should be formed, in order to ward off heavy bodies, such as floating trees, ice, etc. and prevent them from injuring the superstructure (called in German constructions, "Eisbrecher," or ice-bre
  11. obsolete One of the handles above the trunnions by which a gun was lifted.
  12. US, slang A person who buys shares on the primary market only to resell them immediately at a high profit.

dolphin²

  • /ˈdɒlf.ɪn/ UK
  • [ˈdɒl̥fɪn] UK
  • /ˈdɑlf.ɪn/ US
  • [ˈdɑl̥fɪn] US

Where it comes from

Ultimately from 3rd Duke of Alba (duc-d'Albe in French), who was the first to build this type of structure in the Spanish Netherlands in the 16th century. Possibly from Dutch dukdalf, or the plural dukdalven, through elision of the initial duk-.

noun dolphins

  1. A man-made semi submerged maritime structure, usually installed to provide a fixed structure for temporary mooring, to prevent ships from drifting to shallow water or to serve as base for navigational aids.

Dolphin³

Where it comes from

From Middle English Dolfin, from Old Norse Dólgfinnr (given name), from dólgr (“enemy”) + Finnr (“Sami”).

proper noun Dolphins

  1. countable, uncountable A surname.
  2. countable, uncountable A township in Knox County, Nebraska, United States.
  3. countable, uncountable An unincorporated community in Brunswick County, Virginia, United States.
  4. countable, uncountable An unincorporated community in San Juan County, Washington, United States.
  5. countable, uncountable A hamlet in Brynford community, Flintshire, Wales (OS grid ref SJ1973).
  6. countable, uncountable Synonym of Delphinus (constellation).

    Similar: Delphinus

noun Dolphins

  1. A member of an athletic team called the Dolphins, such as the Miami Dolphins and teams of various institutions of learning.

Thesaurus

Closest in meaning: mahimahi, dolphinfish, bottlenose, tuna, delphin, dauphin, striker, heir, porpoise, cetacean, delphinid, delphinus, tursiops, orca, blackfish, beluga

Translations

Every language

noun aquatic mammal

Españoldelfín
한국어돌고래 dolgorae
日本語海豚 iruka, イルカ iruka
中文海豚 hǎitún, 海豬 /海猪 hǎizhū, 海豨 hǎixī
हिन्दीसूंस sūns, सूँस sū̃s, शिशुमार śiśumār, डॉल्फ़िन ḍŏlfin, डॉल्फिन ḍŏlphin
Kiswahilipomboo
Portuguêsgolfinho, delfim
Françaisdauphin
DeutschDelphin, Delfin
Italianodelfino
Ελληνικάδελφίνι delfíni
Românădelfin
Русскийдельфи́н delʹfín
Tiếng Việtcá heo
العربيةدُلْفِين dulfīn, دَرْفِيل darfīl, دُخَس duḵas
עבריתדּוֹלְפִין dolfín

noun maritime structure

Españolduque de Alba
한국어돌핀 dolpin
日本語ドルフィン dorufin
Françaisduc-d'Albe
DeutschDalbe
Italianobriccola
Русскийпричальные палы pričalʹnyje paly, куст свай kust svaj

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Cite this
MLA

"dolphin." Wiktionary, via Micwyn, micwyn.com/word/dolphin. Accessed 6 Nov. 2026.

APA

dolphin. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/dolphin

Chicago

"dolphin." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/dolphin.

BibTeX
@misc{dolphin_2026,
  title = {dolphin},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/dolphin},
  urldate = {2026-11-06}
}